/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
// your code goes here
IntList[][] lists = new IntList[5][5];
IntSet[][] sets = new IntSet[5][5];
IntIntMap[][] maps = new IntIntMap[5][5];
IntDeque[][] deques = new IntDeque[5][5];
IntHeap[][] heaps = new IntHeap[5][5];
(new IntList()).add(100);
(new IntSet()).add(100);
(new IntIntMap()).put(100, 99);
(new IntDeque()).addLast(100);
(new IntHeap()).add(100);
}
}
class IntList extends ArrayList<Integer> {}
class IntSet extends HashSet<Integer> {}
class IntIntMap
extends HashMap
<Integer, Integer
> {} class IntDeque extends ArrayDeque<Integer> {}
class IntHeap extends PriorityQueue<Integer> {}
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